Career

My Entire Career as a Coder in China [Reivew]

Algorithm

I - Array & Hashing
- Deterministic Finite State Machine / Automaton
- 2 Pointers
  - Binary Search
    - Sorting
    - Searching
    - Divide and Conquer
  - Sliding Window
- Stack
- Queues
II - Linked Lists
- Single Linked Lists
- Double Linked Lists
- Ring linked Lists
III - Tree
- Binary Tree
- Tries[Prefix Tree]
- Heap
- Back Tracking
IV - Graphs
- BFS
- DFS
V - Dynamic Programming
- Greedy Algorithms
VI - Bitwise
VII - Time Complexity
- Understanding of Big-O notation and how to optimize solutions.

Distributed Systems
- Load balancing
- replication
- sharding
- consistency models
- CDN
Storage Systems
- SQL vs NoSQL
- databases (e.g., Cassandra, DynamoDB)
- file systems
Caching Strategies
- Cache invalidation
- distributed caches like Redis or Memcached
Scalability
- Horizontal vs Vertical scaling
- message queues (e.g., Kafka, RabbitMQ)
High Availability and Fault Tolerance
- Data replication
- fail over strategies
- consensus protocols (like Paxos, Raft)

STAR

os hypervisor
- KVM is a hypervisor
- QEMU or Cloud Hypervisor are vm manager utilizing KVM as hypervisor.
Kubernetes
Terraform
Ansible